Finding the Fourth Proportional to 226,172,557.55, 312,131,461.69 and 170,319,437.05
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Solution
The fourth proportional to 226,172,557.55, 312,131,461.69 and 170,319,437.05 is: 235,050,863.01
Step by Step Solution
- Step 1: Write the proportion equation
226,172,557.55 : 312,131,461.69 = 170,319,437.05 : x - Step 2: Convert to fraction form
226,172,557.55/312,131,461.69 = 170,319,437.05/x - Step 3: Cross multiply
226,172,557.55x = 312,131,461.69 × 170,319,437.05 - Step 4: Simplify right side
226,172,557.55x = 53,162,054,839,695,200 - Step 5: Solve for x
x = 53,162,054,839,695,200/226,172,557.55 - Step 6: Final answer
x = 235,050,863.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.